Vehicle
Smartcar
Lock and unlock vehicles and get data like odometer reading and location. Works on most new cars
OAuthHTTPSCORS
Vehicle
TransparentCars
Fair-price valuation and yearly road tax (IUC) for used cars in Portugal.
TransparentCars API is a free Vehicle API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
- Authentication
- None required
- HTTPS
- Yes
- CORS
- Yes
- Category
- Vehicle
Visit documentation ↗transparent.pt
About TransparentCars
Open, key-free API for the Portuguese used-car market: fair-price valuation, road tax and running cost, and stock. OpenAPI 3.1, MCP server, no API key.
- Provider
- TransparentCars
- Website
- transparent.pt ↗
Details from transparent.pt.
Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Get your free API key→Free tier on every API
TransparentCars API alternatives
Wheelwise
UK used-car listings with fair-price grade, 36-month resale forecast and monthly cost per advert
No authHTTPSNo CORS
apiKeyHTTPSCORS
WhichTrim
US vehicle recalls, complaints, fuel economy, crash ratings, service bulletins and VIN decoding
apiKeyHTTPSCORS
ProblemsByVin
Owner complaints, recalls and failure-mileage statistics by vehicle make, model and year
No authHTTPSCORS
NHTSA Vehicle Recalls
NHTSA safety recalls by model year, make and model with component, consequence and remedy
apiKeyHTTPSCORS ?
TransparentCars API FAQ
Who provides the TransparentCars API?
The TransparentCars API is provided by TransparentCars (transparent.pt). Open, key-free API for the Portuguese used-car market: fair-price valuation, road tax and running cost, and stock. OpenAPI 3.1, MCP server, no API key.
Is the TransparentCars API free?
Yes. The TransparentCars API is listed in the Vehicle category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the TransparentCars API require an API key?
No. The TransparentCars API requires no authentication, so you can start making requests without signing up.
Can I call the TransparentCars API from the browser?
Yes. The TransparentCars API supports CORS, so front-end JavaScript can call it directly.
Does the TransparentCars API support HTTPS?
Yes. The TransparentCars API is served over HTTPS, so it's safe to use in production.